Home / 144,985.88-200,080.10-80,464.85

Finding the Fourth Proportional to 144,985.88, 200,080.10 and 80,464.85

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Solution

The fourth proportional to 144,985.88, 200,080.10 and 80,464.85 is: 111,041.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,985.88 : 200,080.10 = 80,464.85 : x
  2. Step 2: Convert to fraction form
    144,985.88/200,080.10 = 80,464.85/x
  3. Step 3: Cross multiply
    144,985.88x = 200,080.10 × 80,464.85
  4. Step 4: Simplify right side
    144,985.88x = 16,099,415,332.36
  5. Step 5: Solve for x
    x = 16,099,415,332.36/144,985.88
  6. Step 6: Final answer
    x = 111,041.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.